[PATCH v11] dt-bindings: ufs: Add bindings for Samsung ufs host

[Chanho Park]

Hi Rob,

Could you kindly review this?

Best Regards,
Chanho Park

> -----Original Message-----
> From: Alim Akhtar <alim.akhtar at gmail.com>
> Sent: Friday, August 20, 2021 1:19 AM
> To: Alim Akhtar <alim.akhtar at samsung.com>
> Cc: open list <linux-kernel at vger.kernel.org>; linux-arm-
> kernel at lists.infradead.org; robh+dt <robh+dt at kernel.org>; Krzysztof
> Kozlowski <krzysztof.kozlowski at canonical.com>; linux-samsung-
> soc at vger.kernel.org; Martin K. Petersen <martin.petersen at oracle.com>
> Subject: Re: [PATCH v11] dt-bindings: ufs: Add bindings for Samsung ufs
> host
> 
> Hi Rob
> Can you pick up this patch via your tree? or you want Martin to pick it up?
> 
> On Sat, Aug 14, 2021 at 10:25 PM Alim Akhtar <alim.akhtar at gmail.com> wrote:
> >
> > Ping!!
> >
> > On Wed, Aug 4, 2021 at 9:01 AM Alim Akhtar <alim.akhtar at samsung.com>
> wrote:
> > >
> > > This patch adds DT bindings for Samsung ufs hci
> > >
> > > Signed-off-by: Alim Akhtar <alim.akhtar at samsung.com>
> > > ---
> > > Changes since v10
> > > * Rebased on v5.14-rc2
> > > * removed Rob Herring earlier Reviewed-by tag
> > >
> > > This patch was part of exynos ufs driver series, somehow this got
> > > missed to applied on the tree, sending again as a new patch v11,
> > > removing Rob's earlier Reviewed-by tag.
> > >
> > >  .../bindings/ufs/samsung,exynos-ufs.yaml      | 89 +++++++++++++++++++
> > >  1 file changed, 89 insertions(+)
> > >  create mode 100644
> > > Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml
> > >
> > > diff --git
> > > a/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml
> > > b/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml
> > > new file mode 100644
> > > index 000000000000..38193975c9f1
> > > --- /dev/null
> > > +++ b/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml
> > > @@ -0,0 +1,89 @@
> > > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause %YAML 1.2
> > > +---
> > > +$id:
> > > +https://protect2.fireeye.com/v1/url?k=87b3fb9f-d828c295-87b270d0-0c
> > > +c47a31384a-2d1da91e6c1569ad&q=1&e=3ebd4447-410b-4abb-b6e0-88b0310be
> > > +d3f&u=http%3A%2F%2Fdevicetree.org%2Fschemas%2Fufs%2Fsamsung%2Cexyno
> > > +s-ufs.yaml%23
> > > +$schema:
> > > +https://protect2.fireeye.com/v1/url?k=15695c41-4af2654b-1568d70e-0c
> > > +c47a31384a-797602fbe8e5ab79&q=1&e=3ebd4447-410b-4abb-b6e0-88b0310be
> > > +d3f&u=http%3A%2F%2Fdevicetree.org%2Fmeta-schemas%2Fcore.yaml%23
> > > +
> > > +title: Samsung SoC series UFS host controller Device Tree Bindings
> > > +
> > > +maintainers:
> > > +  - Alim Akhtar <alim.akhtar at samsung.com>
> > > +
> > > +description: |
> > > +  Each Samsung UFS host controller instance should have its own node.
> > > +  This binding define Samsung specific binding other then what is
> > > +used
> > > +  in the common ufshcd bindings
> > > +  [1] Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt
> > > +
> > > +properties:
> > > +
> > > +  compatible:
> > > +    enum:
> > > +      - samsung,exynos7-ufs
> > > +
> > > +  reg:
> > > +    items:
> > > +     - description: HCI register
> > > +     - description: vendor specific register
> > > +     - description: unipro register
> > > +     - description: UFS protector register
> > > +
> > > +  reg-names:
> > > +    items:
> > > +      - const: hci
> > > +      - const: vs_hci
> > > +      - const: unipro
> > > +      - const: ufsp
> > > +
> > > +  clocks:
> > > +    items:
> > > +      - description: ufs link core clock
> > > +      - description: unipro main clock
> > > +
> > > +  clock-names:
> > > +    items:
> > > +      - const: core_clk
> > > +      - const: sclk_unipro_main
> > > +
> > > +  interrupts:
> > > +    maxItems: 1
> > > +
> > > +  phys:
> > > +    maxItems: 1
> > > +
> > > +  phy-names:
> > > +    const: ufs-phy
> > > +
> > > +required:
> > > +  - compatible
> > > +  - reg
> > > +  - interrupts
> > > +  - phys
> > > +  - phy-names
> > > +  - clocks
> > > +  - clock-names
> > > +
> > > +additionalProperties: false
> > > +
> > > +examples:
> > > +  - |
> > > +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> > > +    #include <dt-bindings/clock/exynos7-clk.h>
> > > +
> > > +    ufs: ufs at 15570000 {
> > > +       compatible = "samsung,exynos7-ufs";
> > > +       reg = <0x15570000 0x100>,
> > > +             <0x15570100 0x100>,
> > > +             <0x15571000 0x200>,
> > > +             <0x15572000 0x300>;
> > > +       reg-names = "hci", "vs_hci", "unipro", "ufsp";
> > > +       interrupts = <GIC_SPI 200 IRQ_TYPE_LEVEL_HIGH>;
> > > +       clocks = <&clock_fsys1 ACLK_UFS20_LINK>,
> > > +                <&clock_fsys1 SCLK_UFSUNIPRO20_USER>;
> > > +       clock-names = "core_clk", "sclk_unipro_main";
> > > +       pinctrl-names = "default";
> > > +       pinctrl-0 = <&ufs_rst_n &ufs_refclk_out>;
> > > +       phys = <&ufs_phy>;
> > > +       phy-names = "ufs-phy";
> > > +    };
> > > +...
> > >
> > > base-commit: 2734d6c1b1a089fb593ef6a23d4b70903526fe0c
> > > --
> > > 2.17.1
> > >
> >
> >
> > --
> > Regards,
> > Alim
> 
> 
> 
> --
> Regards,
> Alim